package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.pojo.Setmeal;
import com.itheima.service.MemberService;
import com.itheima.service.OrderService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import com.itheima.utils.DateUtils;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.context.annotation.Scope;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * 统计报表
 */
@RestController
@RequestMapping("/report")
@Scope("singleton")
public class ReportController {

    @org.apache.dubbo.config.annotation.Reference
    private SetmealService setmealService;

    @Reference
    private MemberService memberService;

    @org.apache.dubbo.config.annotation.Reference
    private OrderService orderService;

    public ReportController() {
    }

    // private SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy.MM");//线程不安全的！！

    /**
     * 会员数量统计
     *
     * @return
     */

    //会员数量折线图数据
    @RequestMapping("/getMemberReport")
    public Result getMemberReport() {
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy.MM");//

        Calendar calendar = Calendar.getInstance();//获得日历对象,模拟时间就是当前时间
        calendar.add(Calendar.MONTH, -12);//获得当前日期之前12个月的日期
        List<String> list = new ArrayList<>();
        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH, 1);//获得当前时间往后推一个月日期,一共推12次
            list.add(simpleDateFormat.format(calendar.getTime()));
        }
        Map<String, Object> map = new HashMap<>();
        map.put("months", list);

        List<Integer> memberCount = memberService.findMemberCountByMonth(list);
        map.put("memberCount", memberCount);
        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
    }


    //每日预约人数折线图统计
    @RequestMapping("/getOrderAndVisit")
    public Result getOrderAndVisit(String begin, String end) {//接受到起始时间以及结束时间
        Map<String, Object> map1 = null;
        //日期格式转换
        map1 = new HashMap<>();
        try {
            Date startTimeDate = DateUtils.parseString2Date(begin, "yyyy-MM-dd");
            Date endTimeDate = DateUtils.parseString2Date(end, "yyyy-MM-dd");
            //获取到预约人数以及未就诊人数
            map1 = orderService.findByDate(startTimeDate, endTimeDate);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, "数据显示失败,请刷新");
        }

        return new Result(true, "数据显示成功", map1);

    }



    @RequestMapping("/income")
    public Result income(String begin,String end){
        //使用map封装数据 获得套餐的订购数量 以及每个的收入
        Map<String, Object> map =null;
        try{
            map =new HashMap<>();
            //获得setmeals的套餐名 每个套餐带来的收入
            // map =setMealService.findSetMealsByDate(begin,end);

            List<Map> list =setmealService.findSetMealsByDate(begin,end);

            List<String> setmeals =new ArrayList<>();
            map.put("income",list);
            List<Double> income =new ArrayList<>();
            String name =null;
            for (Map m:list
            ) {
                name = (String) m.get("name");
                setmeals.add(name);

            }
            map.put("setmeals",name);
        }catch(Exception e){
            e.printStackTrace();
            return  new Result(false,"数据显示失败");
        }
        return  new Result(true,"数据显示成功",map);
    }










/*
    //体检收入饼图统计
    @RequestMapping("/income")
    public Result income(String begin, String end) {//接收起始时间以及结束时间
        Map<String, Object> map1 = null;
        //日期格式转换
        map1 = new HashMap<>();
        try {
            Date startTime = DateUtils.parseString2Date(begin, "yyyy-MM-dd");
            Date endTime = DateUtils.parseString2Date(end, "yyyy-MM-dd");
            //获取到总套餐和每个套餐的收入
            map1 = orderService.findMoneyByDate(startTime, endTime);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, "数据显示失败");
        }
        return new Result(true, "数据显示成功", map1);
    }*/


    //年龄段人数饼图统计
    @RequestMapping("/getMemberReports")
    public Result getMemberReport2() {
        try {
            Map<String, Object> map = new HashMap<>();
            List<Map<String, Object>> sexCount = orderService.findSexCount();
            List<Map<String, Object>> ageCount = orderService.findAgeCount();

            map.put("sexCount", sexCount);
            map.put("ageCount", ageCount);
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }


    }

    /* //每日预约人数统计
     @RequestMapping("/getOrderAndVisit")
     public Result getOrderAndVisit() {
         Map<String, Object> map = new HashMap<>();
         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy.MM.dd");

         Calendar calendar = Calendar.getInstance();//获得日历对象,模拟时间就是当前时间
         calendar.add(Calendar.DAY_OF_WEEK, -7);//获得当前日期之前7天的日期
         List<String> list = new ArrayList<>();
         for (int i = 0; i < 7; i++) {
             calendar.add(Calendar.DAY_OF_WEEK, 1);//获得当前时间往后推一天,一共推7次
             Date date = calendar.getTime();
             list.add(simpleDateFormat.format(date));
         }
         //x轴已经有了,每天是多少号
         map.put("days",list);

         //每天预约的人数
         List<Integer> orderCount=memberService.findOrderMemberCountByDay(list);
         map.put("orderCount",orderCount);

         //每天到诊的人数
         List<Integer> visitCount=memberService.findMemberCountByDay2(list);
         map.put("visitCount",visitCount);


         return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,map);
     }

 */

    /**
     * 套餐占比统计
     *
     * @return
     */
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport() {
        List<Map<String, Object>> list = setmealService.findSetmealCount();

        Map<String, Object> map = new HashMap<>();
        map.put("setmealCount", list);

        List<String> setmealNames = new ArrayList<>();
        for (Map<String, Object> m : list) {
            String name = (String) m.get("name");
            setmealNames.add(name);
        }
        map.put("setmealNames", setmealNames);

        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, map);
    }

    @Reference
    private ReportService reportService;

    /**
     * 获取运营统计数据
     *
     * @return
     */
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData() {
        try {
            Map<String, Object> result = reportService.getBusinessReport();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    /**
     * 导出Excel报表
     *
     * @return
     */
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response) {
        try {
            //远程调用报表服务获取报表数据
            Map<String, Object> result = reportService.getBusinessReport();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //获得Excel模板文件绝对路径
            String temlateRealPath = request.getSession().getServletContext().getRealPath("template") +
                    File.separator + "report_template.xlsx";

            //读取模板文件创建Excel表格对象
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(temlateRealPath)));
            XSSFSheet sheet = workbook.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for (Map<String, Object> map : hotSetmeal) {//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum++);//13 12
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //通过输出流进行文件下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");// 告诉浏览器响应的内容的类型
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");// 告诉浏览器必须下载
            workbook.write(out);

            out.flush();
            out.close();
            workbook.close();
            return null;
        } catch (Exception e) {
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL, null);
        }
    }
}